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36 lines
909 B
Go
36 lines
909 B
Go
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package promvarz
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import (
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"expvar"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/testutil"
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)
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func TestHandler(t *testing.T) {
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test1 := expvar.NewInt("gauge_promvarz_test_expvar")
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test1.Set(42)
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test2 := promauto.NewGauge(prometheus.GaugeOpts{Name: "promvarz_test_native"})
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test2.Set(4242)
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svr := httptest.NewServer(http.HandlerFunc(Handler))
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defer svr.Close()
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want := `
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# TYPE promvarz_test_expvar gauge
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promvarz_test_expvar 42
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# TYPE promvarz_test_native gauge
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promvarz_test_native 4242
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`
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if err := testutil.ScrapeAndCompare(svr.URL, strings.NewReader(want), "promvarz_test_expvar", "promvarz_test_native"); err != nil {
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t.Error(err)
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}
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}
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